Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QLogic qlcnic NIC Driver |
| 3 | * Copyright (c) 2009-2013 QLogic Corporation |
| 4 | * |
| 5 | * See LICENSE.qlcnic for copyright and licensing details. |
| 6 | */ |
| 7 | |
| 8 | #include "qlcnic_sriov.h" |
| 9 | #include "qlcnic.h" |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 10 | #include "qlcnic_83xx_hw.h" |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 11 | #include <linux/types.h> |
| 12 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 13 | #define QLC_BC_COMMAND 0 |
| 14 | #define QLC_BC_RESPONSE 1 |
| 15 | |
| 16 | #define QLC_MBOX_RESP_TIMEOUT (10 * HZ) |
| 17 | #define QLC_MBOX_CH_FREE_TIMEOUT (10 * HZ) |
| 18 | |
| 19 | #define QLC_BC_MSG 0 |
| 20 | #define QLC_BC_CFREE 1 |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 21 | #define QLC_BC_FLR 2 |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 22 | #define QLC_BC_HDR_SZ 16 |
| 23 | #define QLC_BC_PAYLOAD_SZ (1024 - QLC_BC_HDR_SZ) |
| 24 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 25 | #define QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF 2048 |
| 26 | #define QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF 512 |
| 27 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 28 | #define QLC_83XX_VF_RESET_FAIL_THRESH 8 |
| 29 | #define QLC_BC_CMD_MAX_RETRY_CNT 5 |
| 30 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 31 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); |
| 32 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *, u32); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 33 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); |
| 34 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 35 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 36 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 37 | struct qlcnic_cmd_args *); |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 38 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 39 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 40 | static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { |
| 41 | .read_crb = qlcnic_83xx_read_crb, |
| 42 | .write_crb = qlcnic_83xx_write_crb, |
| 43 | .read_reg = qlcnic_83xx_rd_reg_indirect, |
| 44 | .write_reg = qlcnic_83xx_wrt_reg_indirect, |
| 45 | .get_mac_address = qlcnic_83xx_get_mac_address, |
| 46 | .setup_intr = qlcnic_83xx_setup_intr, |
| 47 | .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 48 | .mbx_cmd = qlcnic_sriov_issue_cmd, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 49 | .get_func_no = qlcnic_83xx_get_func_no, |
| 50 | .api_lock = qlcnic_83xx_cam_lock, |
| 51 | .api_unlock = qlcnic_83xx_cam_unlock, |
| 52 | .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, |
| 53 | .create_rx_ctx = qlcnic_83xx_create_rx_ctx, |
| 54 | .create_tx_ctx = qlcnic_83xx_create_tx_ctx, |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 55 | .del_rx_ctx = qlcnic_83xx_del_rx_ctx, |
| 56 | .del_tx_ctx = qlcnic_83xx_del_tx_ctx, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 57 | .setup_link_event = qlcnic_83xx_setup_link_event, |
| 58 | .get_nic_info = qlcnic_83xx_get_nic_info, |
| 59 | .get_pci_info = qlcnic_83xx_get_pci_info, |
| 60 | .set_nic_info = qlcnic_83xx_set_nic_info, |
| 61 | .change_macvlan = qlcnic_83xx_sre_macaddr_change, |
| 62 | .napi_enable = qlcnic_83xx_napi_enable, |
| 63 | .napi_disable = qlcnic_83xx_napi_disable, |
| 64 | .config_intr_coal = qlcnic_83xx_config_intr_coal, |
| 65 | .config_rss = qlcnic_83xx_config_rss, |
| 66 | .config_hw_lro = qlcnic_83xx_config_hw_lro, |
| 67 | .config_promisc_mode = qlcnic_83xx_nic_set_promisc, |
| 68 | .change_l2_filter = qlcnic_83xx_change_l2_filter, |
| 69 | .get_board_info = qlcnic_83xx_get_port_info, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 70 | .free_mac_list = qlcnic_sriov_vf_free_mac_list, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 71 | }; |
| 72 | |
| 73 | static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { |
| 74 | .config_bridged_mode = qlcnic_config_bridged_mode, |
| 75 | .config_led = qlcnic_config_led, |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 76 | .cancel_idc_work = qlcnic_sriov_vf_cancel_fw_work, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 77 | .napi_add = qlcnic_83xx_napi_add, |
| 78 | .napi_del = qlcnic_83xx_napi_del, |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 79 | .shutdown = qlcnic_sriov_vf_shutdown, |
| 80 | .resume = qlcnic_sriov_vf_resume, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 81 | .config_ipaddr = qlcnic_83xx_config_ipaddr, |
| 82 | .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, |
| 83 | }; |
| 84 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 85 | static const struct qlcnic_mailbox_metadata qlcnic_sriov_bc_mbx_tbl[] = { |
| 86 | {QLCNIC_BC_CMD_CHANNEL_INIT, 2, 2}, |
| 87 | {QLCNIC_BC_CMD_CHANNEL_TERM, 2, 2}, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 88 | {QLCNIC_BC_CMD_GET_ACL, 3, 14}, |
| 89 | {QLCNIC_BC_CMD_CFG_GUEST_VLAN, 2, 2}, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 90 | }; |
| 91 | |
| 92 | static inline bool qlcnic_sriov_bc_msg_check(u32 val) |
| 93 | { |
| 94 | return (val & (1 << QLC_BC_MSG)) ? true : false; |
| 95 | } |
| 96 | |
| 97 | static inline bool qlcnic_sriov_channel_free_check(u32 val) |
| 98 | { |
| 99 | return (val & (1 << QLC_BC_CFREE)) ? true : false; |
| 100 | } |
| 101 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 102 | static inline bool qlcnic_sriov_flr_check(u32 val) |
| 103 | { |
| 104 | return (val & (1 << QLC_BC_FLR)) ? true : false; |
| 105 | } |
| 106 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 107 | static inline u8 qlcnic_sriov_target_func_id(u32 val) |
| 108 | { |
| 109 | return (val >> 4) & 0xff; |
| 110 | } |
| 111 | |
| 112 | static int qlcnic_sriov_virtid_fn(struct qlcnic_adapter *adapter, int vf_id) |
| 113 | { |
| 114 | struct pci_dev *dev = adapter->pdev; |
| 115 | int pos; |
| 116 | u16 stride, offset; |
| 117 | |
| 118 | if (qlcnic_sriov_vf_check(adapter)) |
| 119 | return 0; |
| 120 | |
| 121 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| 122 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); |
| 123 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); |
| 124 | |
| 125 | return (dev->devfn + offset + stride * vf_id) & 0xff; |
| 126 | } |
| 127 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 128 | int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) |
| 129 | { |
| 130 | struct qlcnic_sriov *sriov; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 131 | struct qlcnic_back_channel *bc; |
| 132 | struct workqueue_struct *wq; |
| 133 | struct qlcnic_vport *vp; |
| 134 | struct qlcnic_vf_info *vf; |
| 135 | int err, i; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 136 | |
| 137 | if (!qlcnic_sriov_enable_check(adapter)) |
| 138 | return -EIO; |
| 139 | |
| 140 | sriov = kzalloc(sizeof(struct qlcnic_sriov), GFP_KERNEL); |
| 141 | if (!sriov) |
| 142 | return -ENOMEM; |
| 143 | |
| 144 | adapter->ahw->sriov = sriov; |
| 145 | sriov->num_vfs = num_vfs; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 146 | bc = &sriov->bc; |
| 147 | sriov->vf_info = kzalloc(sizeof(struct qlcnic_vf_info) * |
| 148 | num_vfs, GFP_KERNEL); |
| 149 | if (!sriov->vf_info) { |
| 150 | err = -ENOMEM; |
| 151 | goto qlcnic_free_sriov; |
| 152 | } |
| 153 | |
| 154 | wq = create_singlethread_workqueue("bc-trans"); |
| 155 | if (wq == NULL) { |
| 156 | err = -ENOMEM; |
| 157 | dev_err(&adapter->pdev->dev, |
| 158 | "Cannot create bc-trans workqueue\n"); |
| 159 | goto qlcnic_free_vf_info; |
| 160 | } |
| 161 | |
| 162 | bc->bc_trans_wq = wq; |
| 163 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 164 | wq = create_singlethread_workqueue("async"); |
| 165 | if (wq == NULL) { |
| 166 | err = -ENOMEM; |
| 167 | dev_err(&adapter->pdev->dev, "Cannot create async workqueue\n"); |
| 168 | goto qlcnic_destroy_trans_wq; |
| 169 | } |
| 170 | |
| 171 | bc->bc_async_wq = wq; |
| 172 | INIT_LIST_HEAD(&bc->async_list); |
| 173 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 174 | for (i = 0; i < num_vfs; i++) { |
| 175 | vf = &sriov->vf_info[i]; |
| 176 | vf->adapter = adapter; |
| 177 | vf->pci_func = qlcnic_sriov_virtid_fn(adapter, i); |
| 178 | mutex_init(&vf->send_cmd_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 179 | mutex_init(&vf->vlan_list_lock); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 180 | INIT_LIST_HEAD(&vf->rcv_act.wait_list); |
| 181 | INIT_LIST_HEAD(&vf->rcv_pend.wait_list); |
| 182 | spin_lock_init(&vf->rcv_act.lock); |
| 183 | spin_lock_init(&vf->rcv_pend.lock); |
| 184 | init_completion(&vf->ch_free_cmpl); |
| 185 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 186 | INIT_WORK(&vf->trans_work, qlcnic_sriov_process_bc_cmd); |
| 187 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 188 | if (qlcnic_sriov_pf_check(adapter)) { |
| 189 | vp = kzalloc(sizeof(struct qlcnic_vport), GFP_KERNEL); |
| 190 | if (!vp) { |
| 191 | err = -ENOMEM; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 192 | goto qlcnic_destroy_async_wq; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 193 | } |
| 194 | sriov->vf_info[i].vp = vp; |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 195 | vp->max_tx_bw = MAX_BW; |
Rajesh Borundia | a80be5a | 2013-05-23 21:04:25 +0000 | [diff] [blame] | 196 | vp->spoofchk = true; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 197 | random_ether_addr(vp->mac); |
| 198 | dev_info(&adapter->pdev->dev, |
| 199 | "MAC Address %pM is configured for VF %d\n", |
| 200 | vp->mac, i); |
| 201 | } |
| 202 | } |
| 203 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 204 | return 0; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 205 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 206 | qlcnic_destroy_async_wq: |
| 207 | destroy_workqueue(bc->bc_async_wq); |
| 208 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 209 | qlcnic_destroy_trans_wq: |
| 210 | destroy_workqueue(bc->bc_trans_wq); |
| 211 | |
| 212 | qlcnic_free_vf_info: |
| 213 | kfree(sriov->vf_info); |
| 214 | |
| 215 | qlcnic_free_sriov: |
| 216 | kfree(adapter->ahw->sriov); |
| 217 | return err; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 218 | } |
| 219 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 220 | void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *t_list) |
| 221 | { |
| 222 | struct qlcnic_bc_trans *trans; |
| 223 | struct qlcnic_cmd_args cmd; |
| 224 | unsigned long flags; |
| 225 | |
| 226 | spin_lock_irqsave(&t_list->lock, flags); |
| 227 | |
| 228 | while (!list_empty(&t_list->wait_list)) { |
| 229 | trans = list_first_entry(&t_list->wait_list, |
| 230 | struct qlcnic_bc_trans, list); |
| 231 | list_del(&trans->list); |
| 232 | t_list->count--; |
| 233 | cmd.req.arg = (u32 *)trans->req_pay; |
| 234 | cmd.rsp.arg = (u32 *)trans->rsp_pay; |
| 235 | qlcnic_free_mbx_args(&cmd); |
| 236 | qlcnic_sriov_cleanup_transaction(trans); |
| 237 | } |
| 238 | |
| 239 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 240 | } |
| 241 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 242 | void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 243 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 244 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 245 | struct qlcnic_back_channel *bc = &sriov->bc; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 246 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 247 | int i; |
| 248 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 249 | if (!qlcnic_sriov_enable_check(adapter)) |
| 250 | return; |
| 251 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 252 | qlcnic_sriov_cleanup_async_list(bc); |
| 253 | destroy_workqueue(bc->bc_async_wq); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 254 | |
| 255 | for (i = 0; i < sriov->num_vfs; i++) { |
| 256 | vf = &sriov->vf_info[i]; |
| 257 | qlcnic_sriov_cleanup_list(&vf->rcv_pend); |
| 258 | cancel_work_sync(&vf->trans_work); |
| 259 | qlcnic_sriov_cleanup_list(&vf->rcv_act); |
| 260 | } |
| 261 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 262 | destroy_workqueue(bc->bc_trans_wq); |
| 263 | |
| 264 | for (i = 0; i < sriov->num_vfs; i++) |
| 265 | kfree(sriov->vf_info[i].vp); |
| 266 | |
| 267 | kfree(sriov->vf_info); |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 268 | kfree(adapter->ahw->sriov); |
| 269 | } |
| 270 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 271 | static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter) |
| 272 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 273 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 274 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 275 | __qlcnic_sriov_cleanup(adapter); |
| 276 | } |
| 277 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 278 | void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 279 | { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 280 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 281 | |
| 282 | if (!sriov) |
| 283 | return; |
| 284 | |
| 285 | qlcnic_sriov_free_vlans(adapter); |
| 286 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 287 | if (qlcnic_sriov_pf_check(adapter)) |
| 288 | qlcnic_sriov_pf_cleanup(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 289 | |
| 290 | if (qlcnic_sriov_vf_check(adapter)) |
| 291 | qlcnic_sriov_vf_cleanup(adapter); |
| 292 | } |
| 293 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 294 | static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr, |
| 295 | u32 *pay, u8 pci_func, u8 size) |
| 296 | { |
| 297 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 298 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
| 299 | struct qlcnic_cmd_args cmd; |
| 300 | unsigned long timeout; |
| 301 | int err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 302 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 303 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
| 304 | cmd.hdr = hdr; |
| 305 | cmd.pay = pay; |
| 306 | cmd.pay_size = size; |
| 307 | cmd.func_num = pci_func; |
| 308 | cmd.op_type = QLC_83XX_MBX_POST_BC_OP; |
| 309 | cmd.cmd_op = ((struct qlcnic_bc_hdr *)hdr)->cmd_op; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 310 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 311 | err = mbx->ops->enqueue_cmd(adapter, &cmd, &timeout); |
| 312 | if (err) { |
| 313 | dev_err(&adapter->pdev->dev, |
| 314 | "%s: Mailbox not available, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 315 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 316 | ahw->op_mode); |
| 317 | return err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 318 | } |
| 319 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 320 | if (!wait_for_completion_timeout(&cmd.completion, timeout)) { |
| 321 | dev_err(&adapter->pdev->dev, |
| 322 | "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 323 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 324 | ahw->op_mode); |
| 325 | flush_workqueue(mbx->work_q); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 326 | } |
| 327 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 328 | return cmd.rsp_opcode; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 329 | } |
| 330 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 331 | static void qlcnic_sriov_vf_cfg_buff_desc(struct qlcnic_adapter *adapter) |
| 332 | { |
| 333 | adapter->num_rxd = QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF; |
| 334 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; |
| 335 | adapter->num_jumbo_rxd = QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF; |
| 336 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| 337 | adapter->num_txd = MAX_CMD_DESCRIPTORS; |
| 338 | adapter->max_rds_rings = MAX_RDS_RINGS; |
| 339 | } |
| 340 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 341 | int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *adapter, |
| 342 | struct qlcnic_info *npar_info, u16 vport_id) |
| 343 | { |
| 344 | struct device *dev = &adapter->pdev->dev; |
| 345 | struct qlcnic_cmd_args cmd; |
| 346 | int err; |
| 347 | u32 status; |
| 348 | |
| 349 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); |
| 350 | if (err) |
| 351 | return err; |
| 352 | |
| 353 | cmd.req.arg[1] = vport_id << 16 | 0x1; |
| 354 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 355 | if (err) { |
| 356 | dev_err(&adapter->pdev->dev, |
| 357 | "Failed to get vport info, err=%d\n", err); |
| 358 | qlcnic_free_mbx_args(&cmd); |
| 359 | return err; |
| 360 | } |
| 361 | |
| 362 | status = cmd.rsp.arg[2] & 0xffff; |
| 363 | if (status & BIT_0) |
| 364 | npar_info->min_tx_bw = MSW(cmd.rsp.arg[2]); |
| 365 | if (status & BIT_1) |
| 366 | npar_info->max_tx_bw = LSW(cmd.rsp.arg[3]); |
| 367 | if (status & BIT_2) |
| 368 | npar_info->max_tx_ques = MSW(cmd.rsp.arg[3]); |
| 369 | if (status & BIT_3) |
| 370 | npar_info->max_tx_mac_filters = LSW(cmd.rsp.arg[4]); |
| 371 | if (status & BIT_4) |
| 372 | npar_info->max_rx_mcast_mac_filters = MSW(cmd.rsp.arg[4]); |
| 373 | if (status & BIT_5) |
| 374 | npar_info->max_rx_ucast_mac_filters = LSW(cmd.rsp.arg[5]); |
| 375 | if (status & BIT_6) |
| 376 | npar_info->max_rx_ip_addr = MSW(cmd.rsp.arg[5]); |
| 377 | if (status & BIT_7) |
| 378 | npar_info->max_rx_lro_flow = LSW(cmd.rsp.arg[6]); |
| 379 | if (status & BIT_8) |
| 380 | npar_info->max_rx_status_rings = MSW(cmd.rsp.arg[6]); |
| 381 | if (status & BIT_9) |
| 382 | npar_info->max_rx_buf_rings = LSW(cmd.rsp.arg[7]); |
| 383 | |
| 384 | npar_info->max_rx_ques = MSW(cmd.rsp.arg[7]); |
| 385 | npar_info->max_tx_vlan_keys = LSW(cmd.rsp.arg[8]); |
| 386 | npar_info->max_local_ipv6_addrs = MSW(cmd.rsp.arg[8]); |
| 387 | npar_info->max_remote_ipv6_addrs = LSW(cmd.rsp.arg[9]); |
| 388 | |
| 389 | dev_info(dev, "\n\tmin_tx_bw: %d, max_tx_bw: %d max_tx_ques: %d,\n" |
| 390 | "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" |
| 391 | "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" |
| 392 | "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" |
| 393 | "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" |
| 394 | "\tlocal_ipv6_addr: %d, remote_ipv6_addr: %d\n", |
| 395 | npar_info->min_tx_bw, npar_info->max_tx_bw, |
| 396 | npar_info->max_tx_ques, npar_info->max_tx_mac_filters, |
| 397 | npar_info->max_rx_mcast_mac_filters, |
| 398 | npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, |
| 399 | npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, |
| 400 | npar_info->max_rx_buf_rings, npar_info->max_rx_ques, |
| 401 | npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, |
| 402 | npar_info->max_remote_ipv6_addrs); |
| 403 | |
| 404 | qlcnic_free_mbx_args(&cmd); |
| 405 | return err; |
| 406 | } |
| 407 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 408 | static int qlcnic_sriov_set_pvid_mode(struct qlcnic_adapter *adapter, |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 409 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 410 | { |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 411 | adapter->rx_pvid = MSW(cmd->rsp.arg[1]) & 0xffff; |
| 412 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 413 | return 0; |
| 414 | } |
| 415 | |
| 416 | static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, |
| 417 | struct qlcnic_cmd_args *cmd) |
| 418 | { |
| 419 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 420 | int i, num_vlans; |
| 421 | u16 *vlans; |
| 422 | |
| 423 | if (sriov->allowed_vlans) |
| 424 | return 0; |
| 425 | |
| 426 | sriov->any_vlan = cmd->rsp.arg[2] & 0xf; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 427 | sriov->num_allowed_vlans = cmd->rsp.arg[2] >> 16; |
| 428 | dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", |
| 429 | sriov->num_allowed_vlans); |
| 430 | |
| 431 | qlcnic_sriov_alloc_vlans(adapter); |
| 432 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 433 | if (!sriov->any_vlan) |
| 434 | return 0; |
| 435 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 436 | num_vlans = sriov->num_allowed_vlans; |
| 437 | sriov->allowed_vlans = kzalloc(sizeof(u16) * num_vlans, GFP_KERNEL); |
| 438 | if (!sriov->allowed_vlans) |
| 439 | return -ENOMEM; |
| 440 | |
| 441 | vlans = (u16 *)&cmd->rsp.arg[3]; |
| 442 | for (i = 0; i < num_vlans; i++) |
| 443 | sriov->allowed_vlans[i] = vlans[i]; |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
Manish Chopra | 58945e1 | 2013-08-16 19:07:14 -0400 | [diff] [blame] | 448 | static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter, |
| 449 | struct qlcnic_info *info) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 450 | { |
| 451 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 452 | struct qlcnic_cmd_args cmd; |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 453 | int ret = 0; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 454 | |
| 455 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL); |
| 456 | if (ret) |
| 457 | return ret; |
| 458 | |
| 459 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 460 | if (ret) { |
| 461 | dev_err(&adapter->pdev->dev, "Failed to get ACL, err=%d\n", |
| 462 | ret); |
| 463 | } else { |
| 464 | sriov->vlan_mode = cmd.rsp.arg[1] & 0x3; |
| 465 | switch (sriov->vlan_mode) { |
| 466 | case QLC_GUEST_VLAN_MODE: |
| 467 | ret = qlcnic_sriov_set_guest_vlan_mode(adapter, &cmd); |
| 468 | break; |
| 469 | case QLC_PVID_MODE: |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 470 | ret = qlcnic_sriov_set_pvid_mode(adapter, &cmd); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 471 | break; |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | qlcnic_free_mbx_args(&cmd); |
| 476 | return ret; |
| 477 | } |
| 478 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 479 | static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) |
| 480 | { |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 481 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 482 | struct qlcnic_info nic_info; |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 483 | int err; |
| 484 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 485 | err = qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, 0); |
| 486 | if (err) |
| 487 | return err; |
| 488 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 489 | ahw->max_mc_count = nic_info.max_rx_mcast_mac_filters; |
| 490 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 491 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); |
| 492 | if (err) |
| 493 | return -EIO; |
| 494 | |
Manish Chopra | 58945e1 | 2013-08-16 19:07:14 -0400 | [diff] [blame] | 495 | err = qlcnic_sriov_get_vf_acl(adapter, &nic_info); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 496 | if (err) |
| 497 | return err; |
| 498 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 499 | if (qlcnic_83xx_get_port_info(adapter)) |
| 500 | return -EIO; |
| 501 | |
| 502 | qlcnic_sriov_vf_cfg_buff_desc(adapter); |
| 503 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; |
| 504 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", |
| 505 | adapter->ahw->fw_hal_version); |
| 506 | |
| 507 | ahw->physical_port = (u8) nic_info.phys_port; |
| 508 | ahw->switch_mode = nic_info.switch_mode; |
| 509 | ahw->max_mtu = nic_info.max_mtu; |
| 510 | ahw->op_mode = nic_info.op_mode; |
| 511 | ahw->capabilities = nic_info.capabilities; |
| 512 | return 0; |
| 513 | } |
| 514 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 515 | static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, |
| 516 | int pci_using_dac) |
| 517 | { |
| 518 | int err; |
| 519 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 520 | INIT_LIST_HEAD(&adapter->vf_mc_list); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 521 | if (!qlcnic_use_msi_x && !!qlcnic_use_msi) |
| 522 | dev_warn(&adapter->pdev->dev, |
Pratik Pujar | 01b91f4 | 2013-08-02 23:15:57 -0400 | [diff] [blame] | 523 | "Device does not support MSI interrupts\n"); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 524 | |
Himanshu Madhani | 34e8c40 | 2013-11-04 13:31:31 -0500 | [diff] [blame] | 525 | /* compute and set default and max tx/sds rings */ |
| 526 | qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 527 | qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 528 | |
| 529 | err = qlcnic_setup_intr(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 530 | if (err) { |
| 531 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); |
| 532 | goto err_out_disable_msi; |
| 533 | } |
| 534 | |
| 535 | err = qlcnic_83xx_setup_mbx_intr(adapter); |
| 536 | if (err) |
| 537 | goto err_out_disable_msi; |
| 538 | |
| 539 | err = qlcnic_sriov_init(adapter, 1); |
| 540 | if (err) |
| 541 | goto err_out_disable_mbx_intr; |
| 542 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 543 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 544 | if (err) |
| 545 | goto err_out_cleanup_sriov; |
| 546 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 547 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 548 | if (err) |
| 549 | goto err_out_disable_bc_intr; |
| 550 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 551 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 552 | if (err) |
| 553 | goto err_out_send_channel_term; |
| 554 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 555 | err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); |
| 556 | if (err) |
| 557 | goto err_out_send_channel_term; |
| 558 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 559 | pci_set_drvdata(adapter->pdev, adapter); |
| 560 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", |
| 561 | adapter->netdev->name); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 562 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 563 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 564 | adapter->ahw->idc.delay); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 565 | return 0; |
| 566 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 567 | err_out_send_channel_term: |
| 568 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 569 | |
| 570 | err_out_disable_bc_intr: |
| 571 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 572 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 573 | err_out_cleanup_sriov: |
| 574 | __qlcnic_sriov_cleanup(adapter); |
| 575 | |
| 576 | err_out_disable_mbx_intr: |
| 577 | qlcnic_83xx_free_mbx_intr(adapter); |
| 578 | |
| 579 | err_out_disable_msi: |
| 580 | qlcnic_teardown_intr(adapter); |
| 581 | return err; |
| 582 | } |
| 583 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 584 | static int qlcnic_sriov_check_dev_ready(struct qlcnic_adapter *adapter) |
| 585 | { |
| 586 | u32 state; |
| 587 | |
| 588 | do { |
| 589 | msleep(20); |
| 590 | if (++adapter->fw_fail_cnt > QLC_BC_CMD_MAX_RETRY_CNT) |
| 591 | return -EIO; |
| 592 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 593 | } while (state != QLC_83XX_IDC_DEV_READY); |
| 594 | |
| 595 | return 0; |
| 596 | } |
| 597 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 598 | int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
| 599 | { |
| 600 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 601 | int err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 602 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 603 | set_bit(QLC_83XX_MODULE_LOADED, &ahw->idc.status); |
| 604 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; |
| 605 | ahw->reset_context = 0; |
| 606 | adapter->fw_fail_cnt = 0; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 607 | ahw->msix_supported = 1; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 608 | adapter->need_fw_reset = 0; |
Rajesh Borundia | da6c806 | 2013-03-29 05:46:35 +0000 | [diff] [blame] | 609 | adapter->flags |= QLCNIC_TX_INTR_SHARED; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 610 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 611 | err = qlcnic_sriov_check_dev_ready(adapter); |
| 612 | if (err) |
| 613 | return err; |
| 614 | |
| 615 | err = qlcnic_sriov_setup_vf(adapter, pci_using_dac); |
| 616 | if (err) |
| 617 | return err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 618 | |
| 619 | if (qlcnic_read_mac_addr(adapter)) |
| 620 | dev_warn(&adapter->pdev->dev, "failed to read mac addr\n"); |
| 621 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 622 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
| 623 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 624 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 625 | return 0; |
| 626 | } |
| 627 | |
| 628 | void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter) |
| 629 | { |
| 630 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 631 | |
| 632 | ahw->op_mode = QLCNIC_SRIOV_VF_FUNC; |
| 633 | dev_info(&adapter->pdev->dev, |
| 634 | "HAL Version: %d Non Privileged SRIOV function\n", |
| 635 | ahw->fw_hal_version); |
| 636 | adapter->nic_ops = &qlcnic_sriov_vf_ops; |
| 637 | set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); |
| 638 | return; |
| 639 | } |
| 640 | |
| 641 | void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw) |
| 642 | { |
| 643 | ahw->hw_ops = &qlcnic_sriov_vf_hw_ops; |
| 644 | ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; |
| 645 | ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 646 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 647 | |
| 648 | static u32 qlcnic_sriov_get_bc_paysize(u32 real_pay_size, u8 curr_frag) |
| 649 | { |
| 650 | u32 pay_size; |
| 651 | |
| 652 | pay_size = real_pay_size / ((curr_frag + 1) * QLC_BC_PAYLOAD_SZ); |
| 653 | |
| 654 | if (pay_size) |
| 655 | pay_size = QLC_BC_PAYLOAD_SZ; |
| 656 | else |
| 657 | pay_size = real_pay_size % QLC_BC_PAYLOAD_SZ; |
| 658 | |
| 659 | return pay_size; |
| 660 | } |
| 661 | |
| 662 | int qlcnic_sriov_func_to_index(struct qlcnic_adapter *adapter, u8 pci_func) |
| 663 | { |
| 664 | struct qlcnic_vf_info *vf_info = adapter->ahw->sriov->vf_info; |
| 665 | u8 i; |
| 666 | |
| 667 | if (qlcnic_sriov_vf_check(adapter)) |
| 668 | return 0; |
| 669 | |
| 670 | for (i = 0; i < adapter->ahw->sriov->num_vfs; i++) { |
| 671 | if (vf_info[i].pci_func == pci_func) |
| 672 | return i; |
| 673 | } |
| 674 | |
| 675 | return -EINVAL; |
| 676 | } |
| 677 | |
| 678 | static inline int qlcnic_sriov_alloc_bc_trans(struct qlcnic_bc_trans **trans) |
| 679 | { |
| 680 | *trans = kzalloc(sizeof(struct qlcnic_bc_trans), GFP_ATOMIC); |
| 681 | if (!*trans) |
| 682 | return -ENOMEM; |
| 683 | |
| 684 | init_completion(&(*trans)->resp_cmpl); |
| 685 | return 0; |
| 686 | } |
| 687 | |
| 688 | static inline int qlcnic_sriov_alloc_bc_msg(struct qlcnic_bc_hdr **hdr, |
| 689 | u32 size) |
| 690 | { |
| 691 | *hdr = kzalloc(sizeof(struct qlcnic_bc_hdr) * size, GFP_ATOMIC); |
| 692 | if (!*hdr) |
| 693 | return -ENOMEM; |
| 694 | |
| 695 | return 0; |
| 696 | } |
| 697 | |
| 698 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) |
| 699 | { |
| 700 | const struct qlcnic_mailbox_metadata *mbx_tbl; |
| 701 | int i, size; |
| 702 | |
| 703 | mbx_tbl = qlcnic_sriov_bc_mbx_tbl; |
| 704 | size = ARRAY_SIZE(qlcnic_sriov_bc_mbx_tbl); |
| 705 | |
| 706 | for (i = 0; i < size; i++) { |
| 707 | if (type == mbx_tbl[i].cmd) { |
| 708 | mbx->op_type = QLC_BC_CMD; |
| 709 | mbx->req.num = mbx_tbl[i].in_args; |
| 710 | mbx->rsp.num = mbx_tbl[i].out_args; |
| 711 | mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), |
| 712 | GFP_ATOMIC); |
| 713 | if (!mbx->req.arg) |
| 714 | return -ENOMEM; |
| 715 | mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), |
| 716 | GFP_ATOMIC); |
| 717 | if (!mbx->rsp.arg) { |
| 718 | kfree(mbx->req.arg); |
| 719 | mbx->req.arg = NULL; |
| 720 | return -ENOMEM; |
| 721 | } |
| 722 | memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num); |
| 723 | memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num); |
| 724 | mbx->req.arg[0] = (type | (mbx->req.num << 16) | |
| 725 | (3 << 29)); |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 726 | mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 727 | return 0; |
| 728 | } |
| 729 | } |
| 730 | return -EINVAL; |
| 731 | } |
| 732 | |
| 733 | static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, |
| 734 | struct qlcnic_cmd_args *cmd, |
| 735 | u16 seq, u8 msg_type) |
| 736 | { |
| 737 | struct qlcnic_bc_hdr *hdr; |
| 738 | int i; |
| 739 | u32 num_regs, bc_pay_sz; |
| 740 | u16 remainder; |
| 741 | u8 cmd_op, num_frags, t_num_frags; |
| 742 | |
| 743 | bc_pay_sz = QLC_BC_PAYLOAD_SZ; |
| 744 | if (msg_type == QLC_BC_COMMAND) { |
| 745 | trans->req_pay = (struct qlcnic_bc_payload *)cmd->req.arg; |
| 746 | trans->rsp_pay = (struct qlcnic_bc_payload *)cmd->rsp.arg; |
| 747 | num_regs = cmd->req.num; |
| 748 | trans->req_pay_size = (num_regs * 4); |
| 749 | num_regs = cmd->rsp.num; |
| 750 | trans->rsp_pay_size = (num_regs * 4); |
| 751 | cmd_op = cmd->req.arg[0] & 0xff; |
| 752 | remainder = (trans->req_pay_size) % (bc_pay_sz); |
| 753 | num_frags = (trans->req_pay_size) / (bc_pay_sz); |
| 754 | if (remainder) |
| 755 | num_frags++; |
| 756 | t_num_frags = num_frags; |
| 757 | if (qlcnic_sriov_alloc_bc_msg(&trans->req_hdr, num_frags)) |
| 758 | return -ENOMEM; |
| 759 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 760 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 761 | if (remainder) |
| 762 | num_frags++; |
| 763 | if (qlcnic_sriov_alloc_bc_msg(&trans->rsp_hdr, num_frags)) |
| 764 | return -ENOMEM; |
| 765 | num_frags = t_num_frags; |
| 766 | hdr = trans->req_hdr; |
| 767 | } else { |
| 768 | cmd->req.arg = (u32 *)trans->req_pay; |
| 769 | cmd->rsp.arg = (u32 *)trans->rsp_pay; |
| 770 | cmd_op = cmd->req.arg[0] & 0xff; |
| 771 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 772 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 773 | if (remainder) |
| 774 | num_frags++; |
| 775 | cmd->req.num = trans->req_pay_size / 4; |
| 776 | cmd->rsp.num = trans->rsp_pay_size / 4; |
| 777 | hdr = trans->rsp_hdr; |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 778 | cmd->op_type = trans->req_hdr->op_type; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | trans->trans_id = seq; |
| 782 | trans->cmd_id = cmd_op; |
| 783 | for (i = 0; i < num_frags; i++) { |
| 784 | hdr[i].version = 2; |
| 785 | hdr[i].msg_type = msg_type; |
| 786 | hdr[i].op_type = cmd->op_type; |
| 787 | hdr[i].num_cmds = 1; |
| 788 | hdr[i].num_frags = num_frags; |
| 789 | hdr[i].frag_num = i + 1; |
| 790 | hdr[i].cmd_op = cmd_op; |
| 791 | hdr[i].seq_id = seq; |
| 792 | } |
| 793 | return 0; |
| 794 | } |
| 795 | |
| 796 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *trans) |
| 797 | { |
| 798 | if (!trans) |
| 799 | return; |
| 800 | kfree(trans->req_hdr); |
| 801 | kfree(trans->rsp_hdr); |
| 802 | kfree(trans); |
| 803 | } |
| 804 | |
| 805 | static int qlcnic_sriov_clear_trans(struct qlcnic_vf_info *vf, |
| 806 | struct qlcnic_bc_trans *trans, u8 type) |
| 807 | { |
| 808 | struct qlcnic_trans_list *t_list; |
| 809 | unsigned long flags; |
| 810 | int ret = 0; |
| 811 | |
| 812 | if (type == QLC_BC_RESPONSE) { |
| 813 | t_list = &vf->rcv_act; |
| 814 | spin_lock_irqsave(&t_list->lock, flags); |
| 815 | t_list->count--; |
| 816 | list_del(&trans->list); |
| 817 | if (t_list->count > 0) |
| 818 | ret = 1; |
| 819 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 820 | } |
| 821 | if (type == QLC_BC_COMMAND) { |
| 822 | while (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 823 | msleep(100); |
| 824 | vf->send_cmd = NULL; |
| 825 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 826 | } |
| 827 | return ret; |
| 828 | } |
| 829 | |
| 830 | static void qlcnic_sriov_schedule_bc_cmd(struct qlcnic_sriov *sriov, |
| 831 | struct qlcnic_vf_info *vf, |
| 832 | work_func_t func) |
| 833 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 834 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 835 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 836 | return; |
| 837 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 838 | queue_work(sriov->bc.bc_trans_wq, &vf->trans_work); |
| 839 | } |
| 840 | |
| 841 | static inline void qlcnic_sriov_wait_for_resp(struct qlcnic_bc_trans *trans) |
| 842 | { |
| 843 | struct completion *cmpl = &trans->resp_cmpl; |
| 844 | |
| 845 | if (wait_for_completion_timeout(cmpl, QLC_MBOX_RESP_TIMEOUT)) |
| 846 | trans->trans_state = QLC_END; |
| 847 | else |
| 848 | trans->trans_state = QLC_ABORT; |
| 849 | |
| 850 | return; |
| 851 | } |
| 852 | |
| 853 | static void qlcnic_sriov_handle_multi_frags(struct qlcnic_bc_trans *trans, |
| 854 | u8 type) |
| 855 | { |
| 856 | if (type == QLC_BC_RESPONSE) { |
| 857 | trans->curr_rsp_frag++; |
| 858 | if (trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 859 | trans->trans_state = QLC_INIT; |
| 860 | else |
| 861 | trans->trans_state = QLC_END; |
| 862 | } else { |
| 863 | trans->curr_req_frag++; |
| 864 | if (trans->curr_req_frag < trans->req_hdr->num_frags) |
| 865 | trans->trans_state = QLC_INIT; |
| 866 | else |
| 867 | trans->trans_state = QLC_WAIT_FOR_RESP; |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | static void qlcnic_sriov_wait_for_channel_free(struct qlcnic_bc_trans *trans, |
| 872 | u8 type) |
| 873 | { |
| 874 | struct qlcnic_vf_info *vf = trans->vf; |
| 875 | struct completion *cmpl = &vf->ch_free_cmpl; |
| 876 | |
| 877 | if (!wait_for_completion_timeout(cmpl, QLC_MBOX_CH_FREE_TIMEOUT)) { |
| 878 | trans->trans_state = QLC_ABORT; |
| 879 | return; |
| 880 | } |
| 881 | |
| 882 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 883 | qlcnic_sriov_handle_multi_frags(trans, type); |
| 884 | } |
| 885 | |
| 886 | static void qlcnic_sriov_pull_bc_msg(struct qlcnic_adapter *adapter, |
| 887 | u32 *hdr, u32 *pay, u32 size) |
| 888 | { |
| 889 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 890 | u32 fw_mbx; |
| 891 | u8 i, max = 2, hdr_size, j; |
| 892 | |
| 893 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 894 | max = (size / sizeof(u32)) + hdr_size; |
| 895 | |
| 896 | fw_mbx = readl(QLCNIC_MBX_FW(ahw, 0)); |
| 897 | for (i = 2, j = 0; j < hdr_size; i++, j++) |
| 898 | *(hdr++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 899 | for (; j < max; i++, j++) |
| 900 | *(pay++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 901 | } |
| 902 | |
| 903 | static int __qlcnic_sriov_issue_bc_post(struct qlcnic_vf_info *vf) |
| 904 | { |
| 905 | int ret = -EBUSY; |
| 906 | u32 timeout = 10000; |
| 907 | |
| 908 | do { |
| 909 | if (!test_and_set_bit(QLC_BC_VF_CHANNEL, &vf->state)) { |
| 910 | ret = 0; |
| 911 | break; |
| 912 | } |
| 913 | mdelay(1); |
| 914 | } while (--timeout); |
| 915 | |
| 916 | return ret; |
| 917 | } |
| 918 | |
| 919 | static int qlcnic_sriov_issue_bc_post(struct qlcnic_bc_trans *trans, u8 type) |
| 920 | { |
| 921 | struct qlcnic_vf_info *vf = trans->vf; |
| 922 | u32 pay_size, hdr_size; |
| 923 | u32 *hdr, *pay; |
| 924 | int ret; |
| 925 | u8 pci_func = trans->func_id; |
| 926 | |
| 927 | if (__qlcnic_sriov_issue_bc_post(vf)) |
| 928 | return -EBUSY; |
| 929 | |
| 930 | if (type == QLC_BC_COMMAND) { |
| 931 | hdr = (u32 *)(trans->req_hdr + trans->curr_req_frag); |
| 932 | pay = (u32 *)(trans->req_pay + trans->curr_req_frag); |
| 933 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 934 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 935 | trans->curr_req_frag); |
| 936 | pay_size = (pay_size / sizeof(u32)); |
| 937 | } else { |
| 938 | hdr = (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag); |
| 939 | pay = (u32 *)(trans->rsp_pay + trans->curr_rsp_frag); |
| 940 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 941 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 942 | trans->curr_rsp_frag); |
| 943 | pay_size = (pay_size / sizeof(u32)); |
| 944 | } |
| 945 | |
| 946 | ret = qlcnic_sriov_post_bc_msg(vf->adapter, hdr, pay, |
| 947 | pci_func, pay_size); |
| 948 | return ret; |
| 949 | } |
| 950 | |
| 951 | static int __qlcnic_sriov_send_bc_msg(struct qlcnic_bc_trans *trans, |
| 952 | struct qlcnic_vf_info *vf, u8 type) |
| 953 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 954 | bool flag = true; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 955 | int err = -EIO; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 956 | |
| 957 | while (flag) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 958 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 959 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 960 | trans->trans_state = QLC_ABORT; |
| 961 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 962 | switch (trans->trans_state) { |
| 963 | case QLC_INIT: |
| 964 | trans->trans_state = QLC_WAIT_FOR_CHANNEL_FREE; |
| 965 | if (qlcnic_sriov_issue_bc_post(trans, type)) |
| 966 | trans->trans_state = QLC_ABORT; |
| 967 | break; |
| 968 | case QLC_WAIT_FOR_CHANNEL_FREE: |
| 969 | qlcnic_sriov_wait_for_channel_free(trans, type); |
| 970 | break; |
| 971 | case QLC_WAIT_FOR_RESP: |
| 972 | qlcnic_sriov_wait_for_resp(trans); |
| 973 | break; |
| 974 | case QLC_END: |
| 975 | err = 0; |
| 976 | flag = false; |
| 977 | break; |
| 978 | case QLC_ABORT: |
| 979 | err = -EIO; |
| 980 | flag = false; |
| 981 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 982 | break; |
| 983 | default: |
| 984 | err = -EIO; |
| 985 | flag = false; |
| 986 | } |
| 987 | } |
| 988 | return err; |
| 989 | } |
| 990 | |
| 991 | static int qlcnic_sriov_send_bc_cmd(struct qlcnic_adapter *adapter, |
| 992 | struct qlcnic_bc_trans *trans, int pci_func) |
| 993 | { |
| 994 | struct qlcnic_vf_info *vf; |
| 995 | int err, index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 996 | |
| 997 | if (index < 0) |
| 998 | return -EIO; |
| 999 | |
| 1000 | vf = &adapter->ahw->sriov->vf_info[index]; |
| 1001 | trans->vf = vf; |
| 1002 | trans->func_id = pci_func; |
| 1003 | |
| 1004 | if (!test_bit(QLC_BC_VF_STATE, &vf->state)) { |
| 1005 | if (qlcnic_sriov_pf_check(adapter)) |
| 1006 | return -EIO; |
| 1007 | if (qlcnic_sriov_vf_check(adapter) && |
| 1008 | trans->cmd_id != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1009 | return -EIO; |
| 1010 | } |
| 1011 | |
| 1012 | mutex_lock(&vf->send_cmd_lock); |
| 1013 | vf->send_cmd = trans; |
| 1014 | err = __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_COMMAND); |
| 1015 | qlcnic_sriov_clear_trans(vf, trans, QLC_BC_COMMAND); |
| 1016 | mutex_unlock(&vf->send_cmd_lock); |
| 1017 | return err; |
| 1018 | } |
| 1019 | |
| 1020 | static void __qlcnic_sriov_process_bc_cmd(struct qlcnic_adapter *adapter, |
| 1021 | struct qlcnic_bc_trans *trans, |
| 1022 | struct qlcnic_cmd_args *cmd) |
| 1023 | { |
| 1024 | #ifdef CONFIG_QLCNIC_SRIOV |
| 1025 | if (qlcnic_sriov_pf_check(adapter)) { |
| 1026 | qlcnic_sriov_pf_process_bc_cmd(adapter, trans, cmd); |
| 1027 | return; |
| 1028 | } |
| 1029 | #endif |
| 1030 | cmd->rsp.arg[0] |= (0x9 << 25); |
| 1031 | return; |
| 1032 | } |
| 1033 | |
| 1034 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *work) |
| 1035 | { |
| 1036 | struct qlcnic_vf_info *vf = container_of(work, struct qlcnic_vf_info, |
| 1037 | trans_work); |
| 1038 | struct qlcnic_bc_trans *trans = NULL; |
| 1039 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1040 | struct qlcnic_cmd_args cmd; |
| 1041 | u8 req; |
| 1042 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1043 | if (adapter->need_fw_reset) |
| 1044 | return; |
| 1045 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1046 | if (test_bit(QLC_BC_VF_FLR, &vf->state)) |
| 1047 | return; |
| 1048 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1049 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1050 | trans = list_first_entry(&vf->rcv_act.wait_list, |
| 1051 | struct qlcnic_bc_trans, list); |
| 1052 | adapter = vf->adapter; |
| 1053 | |
| 1054 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, trans->req_hdr->seq_id, |
| 1055 | QLC_BC_RESPONSE)) |
| 1056 | goto cleanup_trans; |
| 1057 | |
| 1058 | __qlcnic_sriov_process_bc_cmd(adapter, trans, &cmd); |
| 1059 | trans->trans_state = QLC_INIT; |
| 1060 | __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_RESPONSE); |
| 1061 | |
| 1062 | cleanup_trans: |
| 1063 | qlcnic_free_mbx_args(&cmd); |
| 1064 | req = qlcnic_sriov_clear_trans(vf, trans, QLC_BC_RESPONSE); |
| 1065 | qlcnic_sriov_cleanup_transaction(trans); |
| 1066 | if (req) |
| 1067 | qlcnic_sriov_schedule_bc_cmd(adapter->ahw->sriov, vf, |
| 1068 | qlcnic_sriov_process_bc_cmd); |
| 1069 | } |
| 1070 | |
| 1071 | static void qlcnic_sriov_handle_bc_resp(struct qlcnic_bc_hdr *hdr, |
| 1072 | struct qlcnic_vf_info *vf) |
| 1073 | { |
| 1074 | struct qlcnic_bc_trans *trans; |
| 1075 | u32 pay_size; |
| 1076 | |
| 1077 | if (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 1078 | return; |
| 1079 | |
| 1080 | trans = vf->send_cmd; |
| 1081 | |
| 1082 | if (trans == NULL) |
| 1083 | goto clear_send; |
| 1084 | |
| 1085 | if (trans->trans_id != hdr->seq_id) |
| 1086 | goto clear_send; |
| 1087 | |
| 1088 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 1089 | trans->curr_rsp_frag); |
| 1090 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1091 | (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag), |
| 1092 | (u32 *)(trans->rsp_pay + trans->curr_rsp_frag), |
| 1093 | pay_size); |
| 1094 | if (++trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 1095 | goto clear_send; |
| 1096 | |
| 1097 | complete(&trans->resp_cmpl); |
| 1098 | |
| 1099 | clear_send: |
| 1100 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 1101 | } |
| 1102 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1103 | int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1104 | struct qlcnic_vf_info *vf, |
| 1105 | struct qlcnic_bc_trans *trans) |
| 1106 | { |
| 1107 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1108 | |
| 1109 | t_list->count++; |
| 1110 | list_add_tail(&trans->list, &t_list->wait_list); |
| 1111 | if (t_list->count == 1) |
| 1112 | qlcnic_sriov_schedule_bc_cmd(sriov, vf, |
| 1113 | qlcnic_sriov_process_bc_cmd); |
| 1114 | return 0; |
| 1115 | } |
| 1116 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1117 | static int qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1118 | struct qlcnic_vf_info *vf, |
| 1119 | struct qlcnic_bc_trans *trans) |
| 1120 | { |
| 1121 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1122 | |
| 1123 | spin_lock(&t_list->lock); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1124 | |
| 1125 | __qlcnic_sriov_add_act_list(sriov, vf, trans); |
| 1126 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1127 | spin_unlock(&t_list->lock); |
| 1128 | return 0; |
| 1129 | } |
| 1130 | |
| 1131 | static void qlcnic_sriov_handle_pending_trans(struct qlcnic_sriov *sriov, |
| 1132 | struct qlcnic_vf_info *vf, |
| 1133 | struct qlcnic_bc_hdr *hdr) |
| 1134 | { |
| 1135 | struct qlcnic_bc_trans *trans = NULL; |
| 1136 | struct list_head *node; |
| 1137 | u32 pay_size, curr_frag; |
| 1138 | u8 found = 0, active = 0; |
| 1139 | |
| 1140 | spin_lock(&vf->rcv_pend.lock); |
| 1141 | if (vf->rcv_pend.count > 0) { |
| 1142 | list_for_each(node, &vf->rcv_pend.wait_list) { |
| 1143 | trans = list_entry(node, struct qlcnic_bc_trans, list); |
| 1144 | if (trans->trans_id == hdr->seq_id) { |
| 1145 | found = 1; |
| 1146 | break; |
| 1147 | } |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | if (found) { |
| 1152 | curr_frag = trans->curr_req_frag; |
| 1153 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1154 | curr_frag); |
| 1155 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1156 | (u32 *)(trans->req_hdr + curr_frag), |
| 1157 | (u32 *)(trans->req_pay + curr_frag), |
| 1158 | pay_size); |
| 1159 | trans->curr_req_frag++; |
| 1160 | if (trans->curr_req_frag >= hdr->num_frags) { |
| 1161 | vf->rcv_pend.count--; |
| 1162 | list_del(&trans->list); |
| 1163 | active = 1; |
| 1164 | } |
| 1165 | } |
| 1166 | spin_unlock(&vf->rcv_pend.lock); |
| 1167 | |
| 1168 | if (active) |
| 1169 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) |
| 1170 | qlcnic_sriov_cleanup_transaction(trans); |
| 1171 | |
| 1172 | return; |
| 1173 | } |
| 1174 | |
| 1175 | static void qlcnic_sriov_handle_bc_cmd(struct qlcnic_sriov *sriov, |
| 1176 | struct qlcnic_bc_hdr *hdr, |
| 1177 | struct qlcnic_vf_info *vf) |
| 1178 | { |
| 1179 | struct qlcnic_bc_trans *trans; |
| 1180 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1181 | struct qlcnic_cmd_args cmd; |
| 1182 | u32 pay_size; |
| 1183 | int err; |
| 1184 | u8 cmd_op; |
| 1185 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1186 | if (adapter->need_fw_reset) |
| 1187 | return; |
| 1188 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1189 | if (!test_bit(QLC_BC_VF_STATE, &vf->state) && |
| 1190 | hdr->op_type != QLC_BC_CMD && |
| 1191 | hdr->cmd_op != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1192 | return; |
| 1193 | |
| 1194 | if (hdr->frag_num > 1) { |
| 1195 | qlcnic_sriov_handle_pending_trans(sriov, vf, hdr); |
| 1196 | return; |
| 1197 | } |
| 1198 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1199 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1200 | cmd_op = hdr->cmd_op; |
| 1201 | if (qlcnic_sriov_alloc_bc_trans(&trans)) |
| 1202 | return; |
| 1203 | |
| 1204 | if (hdr->op_type == QLC_BC_CMD) |
| 1205 | err = qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op); |
| 1206 | else |
| 1207 | err = qlcnic_alloc_mbx_args(&cmd, adapter, cmd_op); |
| 1208 | |
| 1209 | if (err) { |
| 1210 | qlcnic_sriov_cleanup_transaction(trans); |
| 1211 | return; |
| 1212 | } |
| 1213 | |
| 1214 | cmd.op_type = hdr->op_type; |
| 1215 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, hdr->seq_id, |
| 1216 | QLC_BC_COMMAND)) { |
| 1217 | qlcnic_free_mbx_args(&cmd); |
| 1218 | qlcnic_sriov_cleanup_transaction(trans); |
| 1219 | return; |
| 1220 | } |
| 1221 | |
| 1222 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1223 | trans->curr_req_frag); |
| 1224 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1225 | (u32 *)(trans->req_hdr + trans->curr_req_frag), |
| 1226 | (u32 *)(trans->req_pay + trans->curr_req_frag), |
| 1227 | pay_size); |
| 1228 | trans->func_id = vf->pci_func; |
| 1229 | trans->vf = vf; |
| 1230 | trans->trans_id = hdr->seq_id; |
| 1231 | trans->curr_req_frag++; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1232 | |
| 1233 | if (qlcnic_sriov_soft_flr_check(adapter, trans, vf)) |
| 1234 | return; |
| 1235 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1236 | if (trans->curr_req_frag == trans->req_hdr->num_frags) { |
| 1237 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) { |
| 1238 | qlcnic_free_mbx_args(&cmd); |
| 1239 | qlcnic_sriov_cleanup_transaction(trans); |
| 1240 | } |
| 1241 | } else { |
| 1242 | spin_lock(&vf->rcv_pend.lock); |
| 1243 | list_add_tail(&trans->list, &vf->rcv_pend.wait_list); |
| 1244 | vf->rcv_pend.count++; |
| 1245 | spin_unlock(&vf->rcv_pend.lock); |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | static void qlcnic_sriov_handle_msg_event(struct qlcnic_sriov *sriov, |
| 1250 | struct qlcnic_vf_info *vf) |
| 1251 | { |
| 1252 | struct qlcnic_bc_hdr hdr; |
| 1253 | u32 *ptr = (u32 *)&hdr; |
| 1254 | u8 msg_type, i; |
| 1255 | |
| 1256 | for (i = 2; i < 6; i++) |
| 1257 | ptr[i - 2] = readl(QLCNIC_MBX_FW(vf->adapter->ahw, i)); |
| 1258 | msg_type = hdr.msg_type; |
| 1259 | |
| 1260 | switch (msg_type) { |
| 1261 | case QLC_BC_COMMAND: |
| 1262 | qlcnic_sriov_handle_bc_cmd(sriov, &hdr, vf); |
| 1263 | break; |
| 1264 | case QLC_BC_RESPONSE: |
| 1265 | qlcnic_sriov_handle_bc_resp(&hdr, vf); |
| 1266 | break; |
| 1267 | } |
| 1268 | } |
| 1269 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1270 | static void qlcnic_sriov_handle_flr_event(struct qlcnic_sriov *sriov, |
| 1271 | struct qlcnic_vf_info *vf) |
| 1272 | { |
| 1273 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1274 | |
| 1275 | if (qlcnic_sriov_pf_check(adapter)) |
| 1276 | qlcnic_sriov_pf_handle_flr(sriov, vf); |
| 1277 | else |
| 1278 | dev_err(&adapter->pdev->dev, |
| 1279 | "Invalid event to VF. VF should not get FLR event\n"); |
| 1280 | } |
| 1281 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1282 | void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *adapter, u32 event) |
| 1283 | { |
| 1284 | struct qlcnic_vf_info *vf; |
| 1285 | struct qlcnic_sriov *sriov; |
| 1286 | int index; |
| 1287 | u8 pci_func; |
| 1288 | |
| 1289 | sriov = adapter->ahw->sriov; |
| 1290 | pci_func = qlcnic_sriov_target_func_id(event); |
| 1291 | index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 1292 | |
| 1293 | if (index < 0) |
| 1294 | return; |
| 1295 | |
| 1296 | vf = &sriov->vf_info[index]; |
| 1297 | vf->pci_func = pci_func; |
| 1298 | |
| 1299 | if (qlcnic_sriov_channel_free_check(event)) |
| 1300 | complete(&vf->ch_free_cmpl); |
| 1301 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1302 | if (qlcnic_sriov_flr_check(event)) { |
| 1303 | qlcnic_sriov_handle_flr_event(sriov, vf); |
| 1304 | return; |
| 1305 | } |
| 1306 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1307 | if (qlcnic_sriov_bc_msg_check(event)) |
| 1308 | qlcnic_sriov_handle_msg_event(sriov, vf); |
| 1309 | } |
| 1310 | |
| 1311 | int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *adapter, u8 enable) |
| 1312 | { |
| 1313 | struct qlcnic_cmd_args cmd; |
| 1314 | int err; |
| 1315 | |
| 1316 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
| 1317 | return 0; |
| 1318 | |
| 1319 | if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_BC_EVENT_SETUP)) |
| 1320 | return -ENOMEM; |
| 1321 | |
| 1322 | if (enable) |
| 1323 | cmd.req.arg[1] = (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7); |
| 1324 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1325 | err = qlcnic_83xx_issue_cmd(adapter, &cmd); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1326 | |
| 1327 | if (err != QLCNIC_RCODE_SUCCESS) { |
| 1328 | dev_err(&adapter->pdev->dev, |
| 1329 | "Failed to %s bc events, err=%d\n", |
| 1330 | (enable ? "enable" : "disable"), err); |
| 1331 | } |
| 1332 | |
| 1333 | qlcnic_free_mbx_args(&cmd); |
| 1334 | return err; |
| 1335 | } |
| 1336 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1337 | static int qlcnic_sriov_retry_bc_cmd(struct qlcnic_adapter *adapter, |
| 1338 | struct qlcnic_bc_trans *trans) |
| 1339 | { |
| 1340 | u8 max = QLC_BC_CMD_MAX_RETRY_CNT; |
| 1341 | u32 state; |
| 1342 | |
| 1343 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1344 | if (state == QLC_83XX_IDC_DEV_READY) { |
| 1345 | msleep(20); |
| 1346 | clear_bit(QLC_BC_VF_CHANNEL, &trans->vf->state); |
| 1347 | trans->trans_state = QLC_INIT; |
| 1348 | if (++adapter->fw_fail_cnt > max) |
| 1349 | return -EIO; |
| 1350 | else |
| 1351 | return 0; |
| 1352 | } |
| 1353 | |
| 1354 | return -EIO; |
| 1355 | } |
| 1356 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1357 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1358 | struct qlcnic_cmd_args *cmd) |
| 1359 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1360 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1361 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1362 | struct device *dev = &adapter->pdev->dev; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1363 | struct qlcnic_bc_trans *trans; |
| 1364 | int err; |
| 1365 | u32 rsp_data, opcode, mbx_err_code, rsp; |
| 1366 | u16 seq = ++adapter->ahw->sriov->bc.trans_counter; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1367 | u8 func = ahw->pci_func; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1368 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1369 | rsp = qlcnic_sriov_alloc_bc_trans(&trans); |
| 1370 | if (rsp) |
| 1371 | return rsp; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1372 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1373 | rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND); |
| 1374 | if (rsp) |
| 1375 | goto cleanup_transaction; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1376 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1377 | retry: |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1378 | if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1379 | rsp = -EIO; |
| 1380 | QLCDB(adapter, DRV, "MBX not Ready!(cmd 0x%x) for VF 0x%x\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1381 | QLCNIC_MBX_RSP(cmd->req.arg[0]), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1382 | goto err_out; |
| 1383 | } |
| 1384 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1385 | err = qlcnic_sriov_send_bc_cmd(adapter, trans, func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1386 | if (err) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1387 | dev_err(dev, "MBX command 0x%x timed out for VF %d\n", |
| 1388 | (cmd->req.arg[0] & 0xffff), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1389 | rsp = QLCNIC_RCODE_TIMEOUT; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1390 | |
| 1391 | /* After adapter reset PF driver may take some time to |
| 1392 | * respond to VF's request. Retry request till maximum retries. |
| 1393 | */ |
| 1394 | if ((trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && |
| 1395 | !qlcnic_sriov_retry_bc_cmd(adapter, trans)) |
| 1396 | goto retry; |
| 1397 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1398 | goto err_out; |
| 1399 | } |
| 1400 | |
| 1401 | rsp_data = cmd->rsp.arg[0]; |
| 1402 | mbx_err_code = QLCNIC_MBX_STATUS(rsp_data); |
| 1403 | opcode = QLCNIC_MBX_RSP(cmd->req.arg[0]); |
| 1404 | |
| 1405 | if ((mbx_err_code == QLCNIC_MBX_RSP_OK) || |
| 1406 | (mbx_err_code == QLCNIC_MBX_PORT_RSP_OK)) { |
| 1407 | rsp = QLCNIC_RCODE_SUCCESS; |
| 1408 | } else { |
| 1409 | rsp = mbx_err_code; |
| 1410 | if (!rsp) |
| 1411 | rsp = 1; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1412 | dev_err(dev, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1413 | "MBX command 0x%x failed with err:0x%x for VF %d\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1414 | opcode, mbx_err_code, func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1415 | } |
| 1416 | |
| 1417 | err_out: |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1418 | if (rsp == QLCNIC_RCODE_TIMEOUT) { |
| 1419 | ahw->reset_context = 1; |
| 1420 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1421 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1422 | } |
| 1423 | |
| 1424 | cleanup_transaction: |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1425 | qlcnic_sriov_cleanup_transaction(trans); |
| 1426 | return rsp; |
| 1427 | } |
| 1428 | |
| 1429 | int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_op) |
| 1430 | { |
| 1431 | struct qlcnic_cmd_args cmd; |
| 1432 | struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0]; |
| 1433 | int ret; |
| 1434 | |
| 1435 | if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op)) |
| 1436 | return -ENOMEM; |
| 1437 | |
| 1438 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 1439 | if (ret) { |
| 1440 | dev_err(&adapter->pdev->dev, |
| 1441 | "Failed bc channel %s %d\n", cmd_op ? "term" : "init", |
| 1442 | ret); |
| 1443 | goto out; |
| 1444 | } |
| 1445 | |
| 1446 | cmd_op = (cmd.rsp.arg[0] & 0xff); |
| 1447 | if (cmd.rsp.arg[0] >> 25 == 2) |
| 1448 | return 2; |
| 1449 | if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1450 | set_bit(QLC_BC_VF_STATE, &vf->state); |
| 1451 | else |
| 1452 | clear_bit(QLC_BC_VF_STATE, &vf->state); |
| 1453 | |
| 1454 | out: |
| 1455 | qlcnic_free_mbx_args(&cmd); |
| 1456 | return ret; |
| 1457 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1458 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1459 | static void qlcnic_vf_add_mc_list(struct net_device *netdev) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1460 | { |
| 1461 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1462 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 1463 | struct qlcnic_mac_vlan_list *cur; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1464 | struct list_head *head, tmp_list; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1465 | struct qlcnic_vf_info *vf; |
| 1466 | u16 vlan_id; |
| 1467 | int i; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1468 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1469 | static const u8 bcast_addr[ETH_ALEN] = { |
| 1470 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 1471 | }; |
| 1472 | |
| 1473 | vf = &adapter->ahw->sriov->vf_info[0]; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1474 | INIT_LIST_HEAD(&tmp_list); |
| 1475 | head = &adapter->vf_mc_list; |
| 1476 | netif_addr_lock_bh(netdev); |
| 1477 | |
| 1478 | while (!list_empty(head)) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1479 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1480 | list_move(&cur->list, &tmp_list); |
| 1481 | } |
| 1482 | |
| 1483 | netif_addr_unlock_bh(netdev); |
| 1484 | |
| 1485 | while (!list_empty(&tmp_list)) { |
| 1486 | cur = list_entry((&tmp_list)->next, |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1487 | struct qlcnic_mac_vlan_list, list); |
| 1488 | if (!qlcnic_sriov_check_any_vlan(vf)) { |
| 1489 | qlcnic_nic_add_mac(adapter, bcast_addr, 0); |
| 1490 | qlcnic_nic_add_mac(adapter, cur->mac_addr, 0); |
| 1491 | } else { |
| 1492 | mutex_lock(&vf->vlan_list_lock); |
| 1493 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1494 | vlan_id = vf->sriov_vlans[i]; |
| 1495 | if (vlan_id) { |
| 1496 | qlcnic_nic_add_mac(adapter, bcast_addr, |
| 1497 | vlan_id); |
| 1498 | qlcnic_nic_add_mac(adapter, |
| 1499 | cur->mac_addr, |
| 1500 | vlan_id); |
| 1501 | } |
| 1502 | } |
| 1503 | mutex_unlock(&vf->vlan_list_lock); |
| 1504 | if (qlcnic_84xx_check(adapter)) { |
| 1505 | qlcnic_nic_add_mac(adapter, bcast_addr, 0); |
| 1506 | qlcnic_nic_add_mac(adapter, cur->mac_addr, 0); |
| 1507 | } |
| 1508 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1509 | list_del(&cur->list); |
| 1510 | kfree(cur); |
| 1511 | } |
| 1512 | } |
| 1513 | |
| 1514 | void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) |
| 1515 | { |
| 1516 | struct list_head *head = &bc->async_list; |
| 1517 | struct qlcnic_async_work_list *entry; |
| 1518 | |
| 1519 | while (!list_empty(head)) { |
| 1520 | entry = list_entry(head->next, struct qlcnic_async_work_list, |
| 1521 | list); |
| 1522 | cancel_work_sync(&entry->work); |
| 1523 | list_del(&entry->list); |
| 1524 | kfree(entry); |
| 1525 | } |
| 1526 | } |
| 1527 | |
| 1528 | static void qlcnic_sriov_vf_set_multi(struct net_device *netdev) |
| 1529 | { |
| 1530 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1531 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1532 | u32 mode = VPORT_MISS_MODE_DROP; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1533 | |
| 1534 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) |
| 1535 | return; |
| 1536 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1537 | if (netdev->flags & IFF_PROMISC) { |
| 1538 | if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) |
| 1539 | mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| 1540 | } else if ((netdev->flags & IFF_ALLMULTI) || |
| 1541 | (netdev_mc_count(netdev) > ahw->max_mc_count)) { |
| 1542 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
| 1543 | } |
| 1544 | |
| 1545 | if (qlcnic_sriov_vf_check(adapter)) |
| 1546 | qlcnic_vf_add_mc_list(netdev); |
| 1547 | |
| 1548 | qlcnic_nic_set_promisc(adapter, mode); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1549 | } |
| 1550 | |
| 1551 | static void qlcnic_sriov_handle_async_multi(struct work_struct *work) |
| 1552 | { |
| 1553 | struct qlcnic_async_work_list *entry; |
| 1554 | struct net_device *netdev; |
| 1555 | |
| 1556 | entry = container_of(work, struct qlcnic_async_work_list, work); |
| 1557 | netdev = (struct net_device *)entry->ptr; |
| 1558 | |
| 1559 | qlcnic_sriov_vf_set_multi(netdev); |
| 1560 | return; |
| 1561 | } |
| 1562 | |
| 1563 | static struct qlcnic_async_work_list * |
| 1564 | qlcnic_sriov_get_free_node_async_work(struct qlcnic_back_channel *bc) |
| 1565 | { |
| 1566 | struct list_head *node; |
| 1567 | struct qlcnic_async_work_list *entry = NULL; |
| 1568 | u8 empty = 0; |
| 1569 | |
| 1570 | list_for_each(node, &bc->async_list) { |
| 1571 | entry = list_entry(node, struct qlcnic_async_work_list, list); |
| 1572 | if (!work_pending(&entry->work)) { |
| 1573 | empty = 1; |
| 1574 | break; |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | if (!empty) { |
| 1579 | entry = kzalloc(sizeof(struct qlcnic_async_work_list), |
| 1580 | GFP_ATOMIC); |
| 1581 | if (entry == NULL) |
| 1582 | return NULL; |
| 1583 | list_add_tail(&entry->list, &bc->async_list); |
| 1584 | } |
| 1585 | |
| 1586 | return entry; |
| 1587 | } |
| 1588 | |
| 1589 | static void qlcnic_sriov_schedule_bc_async_work(struct qlcnic_back_channel *bc, |
| 1590 | work_func_t func, void *data) |
| 1591 | { |
| 1592 | struct qlcnic_async_work_list *entry = NULL; |
| 1593 | |
| 1594 | entry = qlcnic_sriov_get_free_node_async_work(bc); |
| 1595 | if (!entry) |
| 1596 | return; |
| 1597 | |
| 1598 | entry->ptr = data; |
| 1599 | INIT_WORK(&entry->work, func); |
| 1600 | queue_work(bc->bc_async_wq, &entry->work); |
| 1601 | } |
| 1602 | |
| 1603 | void qlcnic_sriov_vf_schedule_multi(struct net_device *netdev) |
| 1604 | { |
| 1605 | |
| 1606 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 1607 | struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; |
| 1608 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1609 | if (adapter->need_fw_reset) |
| 1610 | return; |
| 1611 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1612 | qlcnic_sriov_schedule_bc_async_work(bc, qlcnic_sriov_handle_async_multi, |
| 1613 | netdev); |
| 1614 | } |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1615 | |
| 1616 | static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) |
| 1617 | { |
| 1618 | int err; |
| 1619 | |
Manish Chopra | 5c44bbd | 2013-09-13 06:13:47 -0400 | [diff] [blame] | 1620 | adapter->need_fw_reset = 0; |
Manish Chopra | 91b86e3 | 2013-08-15 08:27:25 -0400 | [diff] [blame] | 1621 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1622 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1623 | |
| 1624 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 1625 | if (err) |
| 1626 | return err; |
| 1627 | |
| 1628 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 1629 | if (err) |
| 1630 | goto err_out_cleanup_bc_intr; |
| 1631 | |
| 1632 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 1633 | if (err) |
| 1634 | goto err_out_term_channel; |
| 1635 | |
| 1636 | return 0; |
| 1637 | |
| 1638 | err_out_term_channel: |
| 1639 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 1640 | |
| 1641 | err_out_cleanup_bc_intr: |
| 1642 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 1643 | return err; |
| 1644 | } |
| 1645 | |
| 1646 | static void qlcnic_sriov_vf_attach(struct qlcnic_adapter *adapter) |
| 1647 | { |
| 1648 | struct net_device *netdev = adapter->netdev; |
| 1649 | |
| 1650 | if (netif_running(netdev)) { |
| 1651 | if (!qlcnic_up(adapter, netdev)) |
| 1652 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 1653 | } |
| 1654 | |
| 1655 | netif_device_attach(netdev); |
| 1656 | } |
| 1657 | |
| 1658 | static void qlcnic_sriov_vf_detach(struct qlcnic_adapter *adapter) |
| 1659 | { |
| 1660 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1661 | struct qlcnic_intrpt_config *intr_tbl = ahw->intr_tbl; |
| 1662 | struct net_device *netdev = adapter->netdev; |
| 1663 | u8 i, max_ints = ahw->num_msix - 1; |
| 1664 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1665 | netif_device_detach(netdev); |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1666 | qlcnic_83xx_detach_mailbox_work(adapter); |
| 1667 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 1668 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1669 | if (netif_running(netdev)) |
| 1670 | qlcnic_down(adapter, netdev); |
| 1671 | |
| 1672 | for (i = 0; i < max_ints; i++) { |
| 1673 | intr_tbl[i].id = i; |
| 1674 | intr_tbl[i].enabled = 0; |
| 1675 | intr_tbl[i].src = 0; |
| 1676 | } |
| 1677 | ahw->reset_context = 0; |
| 1678 | } |
| 1679 | |
| 1680 | static int qlcnic_sriov_vf_handle_dev_ready(struct qlcnic_adapter *adapter) |
| 1681 | { |
| 1682 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1683 | struct device *dev = &adapter->pdev->dev; |
| 1684 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1685 | u8 func = ahw->pci_func; |
| 1686 | u32 state; |
| 1687 | |
| 1688 | if ((idc->prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || |
| 1689 | (idc->prev_state == QLC_83XX_IDC_DEV_INIT)) { |
| 1690 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1691 | qlcnic_sriov_vf_attach(adapter); |
| 1692 | adapter->fw_fail_cnt = 0; |
| 1693 | dev_info(dev, |
Masanari Iida | 8b513d0 | 2013-05-21 23:13:12 +0900 | [diff] [blame] | 1694 | "%s: Reinitialization of VF 0x%x done after FW reset\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1695 | __func__, func); |
| 1696 | } else { |
| 1697 | dev_err(dev, |
| 1698 | "%s: Reinitialization of VF 0x%x failed after FW reset\n", |
| 1699 | __func__, func); |
| 1700 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1701 | dev_info(dev, "Current state 0x%x after FW reset\n", |
| 1702 | state); |
| 1703 | } |
| 1704 | } |
| 1705 | |
| 1706 | return 0; |
| 1707 | } |
| 1708 | |
| 1709 | static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter) |
| 1710 | { |
| 1711 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1712 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1713 | struct device *dev = &adapter->pdev->dev; |
| 1714 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1715 | u8 func = ahw->pci_func; |
| 1716 | u32 state; |
| 1717 | |
| 1718 | adapter->reset_ctx_cnt++; |
| 1719 | |
| 1720 | /* Skip the context reset and check if FW is hung */ |
| 1721 | if (adapter->reset_ctx_cnt < 3) { |
| 1722 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1723 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1724 | dev_info(dev, |
| 1725 | "Resetting context, wait here to check if FW is in failed state\n"); |
| 1726 | return 0; |
| 1727 | } |
| 1728 | |
| 1729 | /* Check if number of resets exceed the threshold. |
| 1730 | * If it exceeds the threshold just fail the VF. |
| 1731 | */ |
| 1732 | if (adapter->reset_ctx_cnt > QLC_83XX_VF_RESET_FAIL_THRESH) { |
| 1733 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1734 | adapter->tx_timeo_cnt = 0; |
| 1735 | adapter->fw_fail_cnt = 0; |
| 1736 | adapter->reset_ctx_cnt = 0; |
| 1737 | qlcnic_sriov_vf_detach(adapter); |
| 1738 | dev_err(dev, |
| 1739 | "Device context resets have exceeded the threshold, device interface will be shutdown\n"); |
| 1740 | return -EIO; |
| 1741 | } |
| 1742 | |
| 1743 | dev_info(dev, "Resetting context of VF 0x%x\n", func); |
| 1744 | dev_info(dev, "%s: Context reset count %d for VF 0x%x\n", |
| 1745 | __func__, adapter->reset_ctx_cnt, func); |
| 1746 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1747 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1748 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1749 | qlcnic_sriov_vf_detach(adapter); |
| 1750 | adapter->need_fw_reset = 0; |
| 1751 | |
| 1752 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1753 | qlcnic_sriov_vf_attach(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1754 | adapter->tx_timeo_cnt = 0; |
| 1755 | adapter->reset_ctx_cnt = 0; |
| 1756 | adapter->fw_fail_cnt = 0; |
| 1757 | dev_info(dev, "Done resetting context for VF 0x%x\n", func); |
| 1758 | } else { |
| 1759 | dev_err(dev, "%s: Reinitialization of VF 0x%x failed\n", |
| 1760 | __func__, func); |
| 1761 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1762 | dev_info(dev, "%s: Current state 0x%x\n", __func__, state); |
| 1763 | } |
| 1764 | |
| 1765 | return 0; |
| 1766 | } |
| 1767 | |
| 1768 | static int qlcnic_sriov_vf_idc_ready_state(struct qlcnic_adapter *adapter) |
| 1769 | { |
| 1770 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1771 | int ret = 0; |
| 1772 | |
| 1773 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) |
| 1774 | ret = qlcnic_sriov_vf_handle_dev_ready(adapter); |
| 1775 | else if (ahw->reset_context) |
| 1776 | ret = qlcnic_sriov_vf_handle_context_reset(adapter); |
| 1777 | |
| 1778 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1779 | return ret; |
| 1780 | } |
| 1781 | |
| 1782 | static int qlcnic_sriov_vf_idc_failed_state(struct qlcnic_adapter *adapter) |
| 1783 | { |
| 1784 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1785 | |
| 1786 | dev_err(&adapter->pdev->dev, "Device is in failed state\n"); |
| 1787 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) |
| 1788 | qlcnic_sriov_vf_detach(adapter); |
| 1789 | |
| 1790 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1791 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1792 | return -EIO; |
| 1793 | } |
| 1794 | |
| 1795 | static int |
| 1796 | qlcnic_sriov_vf_idc_need_quiescent_state(struct qlcnic_adapter *adapter) |
| 1797 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1798 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1799 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1800 | |
| 1801 | dev_info(&adapter->pdev->dev, "Device is in quiescent state\n"); |
| 1802 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1803 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1804 | adapter->tx_timeo_cnt = 0; |
| 1805 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1806 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1807 | qlcnic_sriov_vf_detach(adapter); |
| 1808 | } |
| 1809 | |
| 1810 | return 0; |
| 1811 | } |
| 1812 | |
| 1813 | static int qlcnic_sriov_vf_idc_init_reset_state(struct qlcnic_adapter *adapter) |
| 1814 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1815 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1816 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1817 | u8 func = adapter->ahw->pci_func; |
| 1818 | |
| 1819 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1820 | dev_err(&adapter->pdev->dev, |
| 1821 | "Firmware hang detected by VF 0x%x\n", func); |
| 1822 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1823 | adapter->tx_timeo_cnt = 0; |
| 1824 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1825 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1826 | qlcnic_sriov_vf_detach(adapter); |
| 1827 | } |
| 1828 | return 0; |
| 1829 | } |
| 1830 | |
| 1831 | static int qlcnic_sriov_vf_idc_unknown_state(struct qlcnic_adapter *adapter) |
| 1832 | { |
| 1833 | dev_err(&adapter->pdev->dev, "%s: Device in unknown state\n", __func__); |
| 1834 | return 0; |
| 1835 | } |
| 1836 | |
| 1837 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *work) |
| 1838 | { |
| 1839 | struct qlcnic_adapter *adapter; |
| 1840 | struct qlc_83xx_idc *idc; |
| 1841 | int ret = 0; |
| 1842 | |
| 1843 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); |
| 1844 | idc = &adapter->ahw->idc; |
| 1845 | idc->curr_state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1846 | |
| 1847 | switch (idc->curr_state) { |
| 1848 | case QLC_83XX_IDC_DEV_READY: |
| 1849 | ret = qlcnic_sriov_vf_idc_ready_state(adapter); |
| 1850 | break; |
| 1851 | case QLC_83XX_IDC_DEV_NEED_RESET: |
| 1852 | case QLC_83XX_IDC_DEV_INIT: |
| 1853 | ret = qlcnic_sriov_vf_idc_init_reset_state(adapter); |
| 1854 | break; |
| 1855 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: |
| 1856 | ret = qlcnic_sriov_vf_idc_need_quiescent_state(adapter); |
| 1857 | break; |
| 1858 | case QLC_83XX_IDC_DEV_FAILED: |
| 1859 | ret = qlcnic_sriov_vf_idc_failed_state(adapter); |
| 1860 | break; |
| 1861 | case QLC_83XX_IDC_DEV_QUISCENT: |
| 1862 | break; |
| 1863 | default: |
| 1864 | ret = qlcnic_sriov_vf_idc_unknown_state(adapter); |
| 1865 | } |
| 1866 | |
| 1867 | idc->prev_state = idc->curr_state; |
| 1868 | if (!ret && test_bit(QLC_83XX_MODULE_LOADED, &idc->status)) |
| 1869 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 1870 | idc->delay); |
| 1871 | } |
| 1872 | |
| 1873 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *adapter) |
| 1874 | { |
| 1875 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| 1876 | msleep(20); |
| 1877 | |
| 1878 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); |
| 1879 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1880 | cancel_delayed_work_sync(&adapter->fw_work); |
| 1881 | } |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1882 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1883 | static int qlcnic_sriov_check_vlan_id(struct qlcnic_sriov *sriov, |
| 1884 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 1885 | { |
| 1886 | int i, err = -EINVAL; |
| 1887 | |
| 1888 | if (!vf->sriov_vlans) |
| 1889 | return err; |
| 1890 | |
| 1891 | mutex_lock(&vf->vlan_list_lock); |
| 1892 | |
| 1893 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1894 | if (vf->sriov_vlans[i] == vlan_id) { |
| 1895 | err = 0; |
| 1896 | break; |
| 1897 | } |
| 1898 | } |
| 1899 | |
| 1900 | mutex_unlock(&vf->vlan_list_lock); |
| 1901 | return err; |
| 1902 | } |
| 1903 | |
| 1904 | static int qlcnic_sriov_validate_num_vlans(struct qlcnic_sriov *sriov, |
| 1905 | struct qlcnic_vf_info *vf) |
| 1906 | { |
| 1907 | int err = 0; |
| 1908 | |
| 1909 | mutex_lock(&vf->vlan_list_lock); |
| 1910 | |
| 1911 | if (vf->num_vlan >= sriov->num_allowed_vlans) |
| 1912 | err = -EINVAL; |
| 1913 | |
| 1914 | mutex_unlock(&vf->vlan_list_lock); |
| 1915 | return err; |
| 1916 | } |
| 1917 | |
| 1918 | static int qlcnic_sriov_validate_vlan_cfg(struct qlcnic_adapter *adapter, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1919 | u16 vid, u8 enable) |
| 1920 | { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1921 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 1922 | struct qlcnic_vf_info *vf; |
| 1923 | bool vlan_exist; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1924 | u8 allowed = 0; |
| 1925 | int i; |
| 1926 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1927 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 1928 | vlan_exist = qlcnic_sriov_check_any_vlan(vf); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1929 | if (sriov->vlan_mode != QLC_GUEST_VLAN_MODE) |
| 1930 | return -EINVAL; |
| 1931 | |
| 1932 | if (enable) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1933 | if (qlcnic_83xx_vf_check(adapter) && vlan_exist) |
| 1934 | return -EINVAL; |
| 1935 | |
| 1936 | if (qlcnic_sriov_validate_num_vlans(sriov, vf)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1937 | return -EINVAL; |
| 1938 | |
| 1939 | if (sriov->any_vlan) { |
| 1940 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1941 | if (sriov->allowed_vlans[i] == vid) |
| 1942 | allowed = 1; |
| 1943 | } |
| 1944 | |
| 1945 | if (!allowed) |
| 1946 | return -EINVAL; |
| 1947 | } |
| 1948 | } else { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1949 | if (!vlan_exist || qlcnic_sriov_check_vlan_id(sriov, vf, vid)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1950 | return -EINVAL; |
| 1951 | } |
| 1952 | |
| 1953 | return 0; |
| 1954 | } |
| 1955 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1956 | static void qlcnic_sriov_vlan_operation(struct qlcnic_vf_info *vf, u16 vlan_id, |
| 1957 | enum qlcnic_vlan_operations opcode) |
| 1958 | { |
| 1959 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1960 | struct qlcnic_sriov *sriov; |
| 1961 | |
| 1962 | sriov = adapter->ahw->sriov; |
| 1963 | |
| 1964 | if (!vf->sriov_vlans) |
| 1965 | return; |
| 1966 | |
| 1967 | mutex_lock(&vf->vlan_list_lock); |
| 1968 | |
| 1969 | switch (opcode) { |
| 1970 | case QLC_VLAN_ADD: |
| 1971 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan_id); |
| 1972 | break; |
| 1973 | case QLC_VLAN_DELETE: |
| 1974 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan_id); |
| 1975 | break; |
| 1976 | default: |
| 1977 | netdev_err(adapter->netdev, "Invalid VLAN operation\n"); |
| 1978 | } |
| 1979 | |
| 1980 | mutex_unlock(&vf->vlan_list_lock); |
| 1981 | return; |
| 1982 | } |
| 1983 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1984 | int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter, |
| 1985 | u16 vid, u8 enable) |
| 1986 | { |
| 1987 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1988 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1989 | struct qlcnic_cmd_args cmd; |
| 1990 | int ret; |
| 1991 | |
| 1992 | if (vid == 0) |
| 1993 | return 0; |
| 1994 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 1995 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 1996 | ret = qlcnic_sriov_validate_vlan_cfg(adapter, vid, enable); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1997 | if (ret) |
| 1998 | return ret; |
| 1999 | |
| 2000 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, |
| 2001 | QLCNIC_BC_CMD_CFG_GUEST_VLAN); |
| 2002 | if (ret) |
| 2003 | return ret; |
| 2004 | |
| 2005 | cmd.req.arg[1] = (enable & 1) | vid << 16; |
| 2006 | |
| 2007 | qlcnic_sriov_cleanup_async_list(&sriov->bc); |
| 2008 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 2009 | if (ret) { |
| 2010 | dev_err(&adapter->pdev->dev, |
| 2011 | "Failed to configure guest VLAN, err=%d\n", ret); |
| 2012 | } else { |
| 2013 | qlcnic_free_mac_list(adapter); |
| 2014 | |
| 2015 | if (enable) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2016 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_ADD); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2017 | else |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2018 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_DELETE); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2019 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2020 | qlcnic_set_multi(adapter->netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2021 | } |
| 2022 | |
| 2023 | qlcnic_free_mbx_args(&cmd); |
| 2024 | return ret; |
| 2025 | } |
| 2026 | |
| 2027 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *adapter) |
| 2028 | { |
| 2029 | struct list_head *head = &adapter->mac_list; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2030 | struct qlcnic_mac_vlan_list *cur; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2031 | |
| 2032 | while (!list_empty(head)) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2033 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
| 2034 | qlcnic_sre_macaddr_change(adapter, cur->mac_addr, cur->vlan_id, |
| 2035 | QLCNIC_MAC_DEL); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2036 | list_del(&cur->list); |
| 2037 | kfree(cur); |
| 2038 | } |
| 2039 | } |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2040 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2041 | |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2042 | int qlcnic_sriov_vf_shutdown(struct pci_dev *pdev) |
| 2043 | { |
| 2044 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| 2045 | struct net_device *netdev = adapter->netdev; |
| 2046 | int retval; |
| 2047 | |
| 2048 | netif_device_detach(netdev); |
| 2049 | qlcnic_cancel_idc_work(adapter); |
| 2050 | |
| 2051 | if (netif_running(netdev)) |
| 2052 | qlcnic_down(adapter, netdev); |
| 2053 | |
| 2054 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 2055 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 2056 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 2057 | cancel_delayed_work_sync(&adapter->idc_aen_work); |
| 2058 | |
| 2059 | retval = pci_save_state(pdev); |
| 2060 | if (retval) |
| 2061 | return retval; |
| 2062 | |
| 2063 | return 0; |
| 2064 | } |
| 2065 | |
| 2066 | int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) |
| 2067 | { |
| 2068 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 2069 | struct net_device *netdev = adapter->netdev; |
| 2070 | int err; |
| 2071 | |
| 2072 | set_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 2073 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2074 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 2075 | if (err) |
| 2076 | return err; |
| 2077 | |
| 2078 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 2079 | if (!err) { |
| 2080 | if (netif_running(netdev)) { |
| 2081 | err = qlcnic_up(adapter, netdev); |
| 2082 | if (!err) |
| 2083 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 2084 | } |
| 2085 | } |
| 2086 | |
| 2087 | netif_device_attach(netdev); |
| 2088 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 2089 | idc->delay); |
| 2090 | return err; |
| 2091 | } |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame^] | 2092 | |
| 2093 | void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) |
| 2094 | { |
| 2095 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2096 | struct qlcnic_vf_info *vf; |
| 2097 | int i; |
| 2098 | |
| 2099 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2100 | vf = &sriov->vf_info[i]; |
| 2101 | vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, |
| 2102 | sizeof(*vf->sriov_vlans), GFP_KERNEL); |
| 2103 | } |
| 2104 | } |
| 2105 | |
| 2106 | void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) |
| 2107 | { |
| 2108 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2109 | struct qlcnic_vf_info *vf; |
| 2110 | int i; |
| 2111 | |
| 2112 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2113 | vf = &sriov->vf_info[i]; |
| 2114 | kfree(vf->sriov_vlans); |
| 2115 | vf->sriov_vlans = NULL; |
| 2116 | } |
| 2117 | } |
| 2118 | |
| 2119 | void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *sriov, |
| 2120 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2121 | { |
| 2122 | int i; |
| 2123 | |
| 2124 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2125 | if (!vf->sriov_vlans[i]) { |
| 2126 | vf->sriov_vlans[i] = vlan_id; |
| 2127 | vf->num_vlan++; |
| 2128 | return; |
| 2129 | } |
| 2130 | } |
| 2131 | } |
| 2132 | |
| 2133 | void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *sriov, |
| 2134 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2135 | { |
| 2136 | int i; |
| 2137 | |
| 2138 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2139 | if (vf->sriov_vlans[i] == vlan_id) { |
| 2140 | vf->sriov_vlans[i] = 0; |
| 2141 | vf->num_vlan--; |
| 2142 | return; |
| 2143 | } |
| 2144 | } |
| 2145 | } |
| 2146 | |
| 2147 | bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *vf) |
| 2148 | { |
| 2149 | bool err = false; |
| 2150 | |
| 2151 | mutex_lock(&vf->vlan_list_lock); |
| 2152 | |
| 2153 | if (vf->num_vlan) |
| 2154 | err = true; |
| 2155 | |
| 2156 | mutex_unlock(&vf->vlan_list_lock); |
| 2157 | return err; |
| 2158 | } |